by examining the cyst using menstrual blood as said by the Manager of Research and Community Service School of Medicine Dr. Dr. Budi Wiweko, SpOG (K). \”That we have done. In young patients suffering from endometriosis cysts or chocolate cyst turned out to be in the blood of her period was no nerve fibers that cause pain when menstruating,\” said Dr. Wiweko familiarly called Dr. Iko at the seminar of media in the office MERCK Jalan TB Simatupang, East Jakarta, Tuesday (08/12/2015). \”Coming to the clinic later collected dressings, then we isolation menstrual blood so that we value,\” she added.